高流气吸入系统的固定时间主动干扰排斥温度-压力解控制
Louyue Zhang1, Hehong Zhang2, Duoqi Shi1
1School of Energy and Power Engineering, Beihang University, Beijing 100191, China.
Entropy (Basel, Switzerland)
|August 28, 2025
概括
飞机引擎吸入环境模拟系统 (IESS) 的新控制方案显著提高了跟踪精度,并减少了错误. 这种先进的方法提高了系统对干扰的稳定性,确保了可靠的短暂测试模拟.
科学领域:
- 航空航天工程
- 控制系统理论
背景情况:
- 由于强合和外部干扰,高流量航空发动机的短暂测试对吸入环境模拟系统 (IESS) 构成挑战.
- 有效的模拟需要精确控制系统动态.
研究的目的:
- 开发和验证IESS的新型化合物控制方案.
- 为了提高跟踪精度,接近速度,以及在飞机发动机短暂测试中对干扰的强度.
主要方法:
- 建议采用一种复合控制方案,结合固定时间主动干扰排斥和静态脱.
- 该方案集成了一个固定时间滑动模式控制器 (FT-SMC) 和一个超扭转的固定时间延伸状态观察器 (ST-FT-ESO).
- 分离转换将压力和温度动态分开;观察者估计状态和干扰.
主要成果:
- 拟议的方案可显著降低压力和温度的绝对积分误差 (AIE) 71.9%.
- 平均平方误差 (MSE) 降低了46.0% (压力) 和41.3% (温度).
- 通过硬件在循环 (HIL) 模拟来验证的沉降时间从5秒以上提高到2秒以下.
结论:
- 与传统方法相比,复合控制方案提供了更高的追踪精度和更快的融合.
- 该系统表现出对外部干扰和残留合的增强强性.
- 实时PLC的验证性能证实了其对IESS的实际适用性.
更多相关视频
11:44Real-Time DC-dynamic Biasing Method for Switching Time Improvement in Severely Underdamped Fringing-field Electrostatic MEMS Actuators
Published on: August 15, 2014
10.4K
07:03Author Spotlight: Integrating Computational and Experimental Approaches in Precision Oncology
Published on: December 1, 2023
1.0K
相关概念视频
PID Controller
234
Proportional-Integral-Derivative (PID) controllers are widely used in various control systems to enhance stability and performance. In a thermostat, it adjusts heating or cooling based on the temperature difference between the actual and desired levels. They are often used in automotive speed systems, effectively managing sudden speed changes while maintaining a constant speed under varying conditions. On the other hand, PI controllers, commonly employed in voltage regulation, enhance stability...
234
Time-Domain Interpretation of PD Control
178
Proportional-Derivative (PD) control is a widely used control method in various engineering systems to enhance stability and performance. In a system with only proportional control, common issues include high maximum overshoot and oscillation, observed in both the error signal and its rate of change. This behavior can be divided into three distinct phases: initial overshoot, subsequent undershoot, and gradual stabilization.
Consider the example of control of motor torque. Initially, a positive...
Consider the example of control of motor torque. Initially, a positive...
178
Frequency-Domain Interpretation of PD Control
175
Proportional-Derivative (PD) controllers are widely used in fan control systems to improve stability and performance. A fan control system can be effectively represented using a Bode plot to illustrate the impact of a PD controller through its transfer function. The Bode plot visually conveys how PD control modifies the fan's response across various frequencies, providing a frequency domain interpretation of the controller's behavior.
The proportional control gain, combined with the...
The proportional control gain, combined with the...
175
Time and frequency -Domain Interpretation of PI Control
204
Proportional-Integral (PI) controllers are essential in many control systems to improve stability and performance. They are commonly used in everyday devices like thermostats to enhance system damping and reduce steady-state error. When the zero in the controller's transfer function is optimally placed, the system benefits significantly in terms of stability and accuracy.
Acting as a low-pass filter, the PI controller slows the system's response and extends settling times. This requires...
Acting as a low-pass filter, the PI controller slows the system's response and extends settling times. This requires...
204
PD Controller: Design
349
In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
349
Control Systems: Applications
736
Electrical engineering plays a pivotal role in our daily lives, with control systems at the heart of many applications, from home appliances to sophisticated space shuttles. Control systems manage and regulate the behavior of devices and processes, ensuring they function safely, correctly, and efficiently.
In modern vehicles, control systems manage various functions to enhance performance and safety. The steering wheel and accelerator are primary inputs in a car's control system. The...
In modern vehicles, control systems manage various functions to enhance performance and safety. The steering wheel and accelerator are primary inputs in a car's control system. The...
736
